Synthesis of porous polymers by means of Michael addition reaction of multifunctional acetoacetate and poly(ethylene glycol) diacrylate

被引：10
作者：
Naga, Naofumi [1 ,2 ]
Satoh, Mitsusuke [2 ]
Magara, Tomoyuki [1 ]
Ahmed, Kumkum [3 ]
Nakano, Tamaki [4 ,5 ,6 ]
机构：
[1] Shibaura Inst Technol, Coll Engn, Dept Appl Chem, Koto Ku, 3-7-5 Toyosu, Tokyo 1358548, Japan
[2] Shibaura Inst Technol, Grad Sch Engn & Sci, Koto Ku, 3-7-5 Toyosu, Tokyo 1358548, Japan
[3] Shibaura Inst Technol, Coll Engn, SIT Res Labs, Koto Ku, 3-7-5 Toyosu, Tokyo 1358548, Japan
[4] Hokkaido Univ, Inst Catalysis, Kita Ku, N 21,W 10, Sapporo, Hokkaido 0010021, Japan
[5] Hokkaido Univ, Grad Sch Chem Sci & Engn, Kita Ku, N 21,W 10, Sapporo, Hokkaido 0010021, Japan
[6] Hokkaido Univ, Inst Catalysis, Integrated Res Consortium Chem Sci, Kita Ku, N 21,W 10, Sapporo, Hokkaido 0010021, Japan
来源：
EUROPEAN POLYMER JOURNAL | 2022年 / 162卷
关键词：
Porous polymer; Multifunctional acetoacetate; Poly(ethylene glycol) diacrylate; Mechanical property; CAPILLARY LIQUID-CHROMATOGRAPHY; RING-OPENING POLYMERIZATION; EPOXY-BASED MONOLITHS; HYBRID MONOLITHS; SMALL MOLECULES; SEPARATION; PHASE; SCAFFOLDS; THIOL; COLUMNS;
D O I：
10.1016/j.eurpolymj.2021.110901
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Michael-addition reaction between multifunctional-acetoacetate, meso-erythritol tetra-acetoacetate (ETAA) or dsorbitol hexa-acetoacetate (SHAA), and poly(ethylene glycol) diacrylate (PEGDA) has been investigated to obtain the corresponding network polymer. The reactions in mixtures of ethanol (EtOH) and dimethyl sulfoxide (DMSO) using 1,8-diazabicyclo[5.4.0]undecane-7-ene (DBU) as a catalyst successfully yielded porous polymers. Polymerization conditions, such as EtOH/DMSO volume ratio, DBU/PEGDA feed ratio, and monomer concentration, strongly affected the morphology of the network polymer products, i.e., gel, porous polymer, or precipitate. The surface morphology of the porous polymers showed connected spheres with diameters ranged from 2 mu m to 50 mu m. The monomer concentration and molar mass of PEGDA affected the diameter of the spheres in the porous polymers. All the porous polymers were soft and flexible, and were not breakable by compression. Various solvents were absorbed into the porous polymer due to their high affinity with polyethylene glycol units in the network structure.
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页数：9
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